[ALSA] PCM midlevel & PCM OSS - make procfs & OSS plugin code optional

Modules: ALSA Core,PCM Midlevel,ALSA<-OSS emulation,USB generic driver

1) The verbose procfs code for the PCM midlevel and usb audio
   can be removed now (more patches will follow).
   CONFIG_SND_VERBOSE_PROCFS
2) The PCM OSS plugin system can be also compiled optionaly.
   CONFIG_SND_PCM_OSS_PLUGINS

Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/sound/pcm_oss.h b/include/sound/pcm_oss.h
index fddaddde47b4..d6ec886637db 100644
--- a/include/sound/pcm_oss.h
+++ b/include/sound/pcm_oss.h
@@ -56,8 +56,10 @@ struct snd_pcm_oss_runtime {
         size_t mmap_bytes;
         char *buffer;                           /* vmallocated period */
         size_t buffer_used;                     /* used length from period buffer */
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         struct snd_pcm_plugin *plugin_first;
         struct snd_pcm_plugin *plugin_last;
+#endif
         unsigned int prev_hw_ptr_interrupt;
 };